ELSNER 70146 KNX PS640 4U KNX bus power/auxiliary voltage

ELSNER 70146 KNX PS640 4U Power Supply

The ELSNER 70146 KNX PS640 4U product is a power supply designed for domestic and industrial automation systems based on the KNX protocol. This device offers a reliable and efficient solution for powering the KNX network and auxiliary devices.

Key Features

• KNX bus power supply with a maximum current of 640 mA, protection against short circuits.
• Unreduced 30 V DC auxiliary power supply, suitable for powering additional devices.
• Main supply voltage: 230 V AC ± 15%, 50 Hz.
• Normal power consumption: 22.9 W, maximum overload: 44.5 W.
• Persistance in case of power failure: > 100 ms.

Design and Assembly

• PA66 plastic house, RAL 9018 white color.
• Dimensions: 94 mm × 72 mm × 71 mm, 35 mm DIN rail mounting (TH35).
• Connecting the main supply voltage via screw terminals (maximum torque 0.4 Nm), cable cross section 0.3... 2.5 mm².

Operating Environment

• Ambient temperature: 0... +45 °C.
• Relative humidity (non-condensing): 5... 95%.
• Storage temperature: -25... +70 °C.
• Overvoltage category: III, protection class: II, pollution degree: 2.

Safety and Reliability

• Protection against overloads, external and internal overvoltages, short circuits and excessive temperature.
• Degree of protection IP20.